Current conditions at
Sunnyside Municipal Airport (K1S5)
Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.
Clear
55°F
13°C
| Humidity | 66% |
| Wind Speed | N 0 MPH |
| Barometer | 30.54 in (1034.2 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 10:35 AM PDT |
Extended Forecast for
Prosser WA
Today
High: 71 °F
Sunny
Tonight
Low: 40 °F
Mostly Clear
Friday
High: 72 °F
Mostly Sunny
Friday Night
Low: 41 °F
Partly Cloudy
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 36 °F
Mostly Clear
Sunday
High: 64 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Partly Cloudy
Monday
High: 64 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 71. Light and variable wind.
Tonight
Mostly clear, with a low around 40. Calm wind.
Friday
Mostly sunny, with a high near 72. Calm wind.
Friday Night
Partly cloudy, with a low around 41. Calm wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.22°N 119.79°W (Elev. 715 ft)
46.22°N 119.79°W (Elev. 715 ft)
9:46 am PDT Oct 15, 2026
10am PDT Oct 15, 2026-6pm PDT Oct 21, 2026
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